{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951037,-0.309077,0.000000,0.000000,0.172650,-0.531247,0.829439,0.000000,-0.255821,0.787167,0.561180,0.000000,-1633386.418428,5025962.812844,3559074.168559,1],    "boundingVolume": {    "region": [1.884946,0.595701,1.885092,0.595920,0.000000,8.162085]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1340097.b3dm"}}}